Question 1a. Discuss the operation illustrated on the following diagram (10 mark

Question 1a.
Discuss the operation
illustrated on the following diagram (10 marks)
b.
Consider the following
addition Add R1R2R3c.
Show how this instruction can
be executed in steps and illustrated it on a table using the tree bus path.Question 2Show the micro-operations of the load
store and jump instructions using: (20 marks)a.
One- bus systemb.
Two-bus systemc.
Three-bus systemQuestion 3a.
Write a program segment that
can be used to perform the tasks of adding 1500 numbers stored at consecutive
memory locations starting at location 15000. The results should be stored in
memory location 3000. (10 marks)